A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Type to find tags:
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Specifically for Windows 7. Tag with "windows" if it's related to Windows OS in general.
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Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.
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Issues not specific to a single version of Windows, otherwise tag appropriately
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a Unix-based operating system developed, marketed, and sold by Apple Inc.
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the art of connecting two or more devices together so that they can communicate with each other.
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a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.
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a graphical operating system by Microsoft, released on October 26, 2012.
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Operating system by Microsoft - If your question relates to more or all of Windows OSes, use the "windows" tag.
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a non-volatile, random access device for storing digital data.
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any kind of computer network that is connected through a wireless medium, primarily known as using a wireless router creating a WLAN (Wireless Local Area Network).
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Hardware related questions of computers sold/made by Apple. Use [osx] for the operating system, and use [mac-address] for MAC addresses instead.
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a commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. If your question is about programming Excel in VBA then also tag it exc…
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a method of interacting with your OS or software by typing commands on your keyboard.
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Google's web browser available on both mobile and desktop platforms.
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Boot (or booting) refers to the action of starting up a computer and getting it to run the operating system.
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Open-source web browser. Include tag of operating system if it's important/dependent.
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a free shell for Unix-like operating systems, from the GNU Project
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a network protocol that allows data to be exchanged using a secure channel between two networked devices.
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portable personal computers with an integrated screen and keyboard. They come in a variety of sizes.
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a device that forwards data packets across multiple networks. Questions tagged with router can cover router hardware, software, and network configuration.
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a universal, general interface standard for connecting peripheral devices to PCs.
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a free, open source virtualization program from Oracle for the x86/x86_64 architectures.
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for questions about the recording and playback of speech and music on your computer, but also for problems about the sound component of videos.
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a graphical operating system by Microsoft, released on January 30, 2007 (worldwide release date).
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When you create two or more logical volumes (drives) from one physical hard disk (or other storage device), you're cooking with <i>partitions</i>.
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RAM (random access memory), either RAM hardware or software and operating system use of RAM.
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the middleware that allow computer programs to use resources of a specific hardware device.
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The process of installing software, hardware, or peripherals on a personal computer.
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Email clients and mail transfer agents. Questions about webmail are off-topic.
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a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs.
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the word processing software from Microsoft that lets you create and edit documents.
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Security in terms of "computer security", such as protection of information, protection from theft or data destruction.
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Refers to display devices. Like a computer monitor.
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Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.
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a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor.
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a widespread Linux distribution focusing on stability, security, and the free software philosophy.